CVE-2023-32315
Ignite Realtime Openfire Path Traversal Vulnerability
Description
CVE-2023-32315 is a high-severity path traversal vulnerability in Ignite Realtime Openfire, an open-source XMPP server. The flaw allows an unauthenticated attacker to exploit the setup environment of Openfire's web-based administrative console to access restricted pages normally reserved for administrators. This path traversal vulnerability affects all Openfire versions released since April 2015, starting with version 3.10.0, representing over eight years of vulnerable deployments. With a CVSS score of 8.6, an EPSS score of 94.4% indicating near-certain exploitation, and CISA's inclusion in the Known Exploited Vulnerabilities catalog, CVE-2023-32315 demands immediate patching of all Openfire installations.
KEV Information
CVSS Score
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:LOpen in CalculatorAffected Products
| Vendor | Product | Version |
|---|---|---|
| igniterealtime | openfire | >= 3.10.0, < 4.6.8; >= 4.7.0, < 4.7.5 |
Multiple CVSS Assessments
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- http://packetstormsecurity.com/files/173607/Openfire-Authentication-Bypass-Remote-Code-Execution.html(Exploit, Third Party Advisory, VDB Entry)
- https://github.com/igniterealtime/Openfire/security/advisories/GHSA-gw42-f939-fhvm(Exploit, Mitigation, Patch, Vendor Advisory)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32315(US Government Resource)
Weakness Type
CWE-22: Improper Limitation of a Pathname to a Restricted Directory (Path Traversal)
CWE-22 describes a weakness where software uses external input to construct a pathname that should be restricted to a specific directory, but fails to properly neutralize special elements such as ".." sequences that can resolve to locations outside the intended directory. In CVE-2023-32315, Openfire's administrative console does not properly restrict path traversal through its setup environment, allowing unauthenticated users to navigate to restricted admin console pages by manipulating URL paths.
Learn more: CWE-22 — Improper Limitation of a Pathname to a Restricted Directory
Impact Analysis
CVE-2023-32315 carries a CVSS v3.1 score of 8.6 (High), reflecting the serious consequences of an unauthenticated path traversal attack on a server-side application. The vulnerability is remotely exploitable over the network with low attack complexity and requires no authentication or user interaction, making it trivially exploitable by any attacker who can reach the Openfire admin console. Confidentiality (High): an attacker can access restricted administrative pages, potentially exposing server configuration details, user data, XMPP message logs, and authentication credentials. Integrity (Low): while the primary attack vector provides read access to restricted pages, the ability to access administrative functions could allow limited modification of server settings. Availability (Low): exploitation could potentially disrupt XMPP services through administrative actions, though the primary risk is unauthorized access rather than denial of service. The EPSS score of 94.4% (99.99th percentile) places this vulnerability among the most likely to be exploited, and CISA's KEV listing with a September 14, 2023 deadline confirms the active threat.
Exploit Maturity
Public exploit code is available for CVE-2023-32315, including a full authentication bypass and remote code execution chain published on Packet Storm Security. The vendor's own GitHub advisory at GHSA-gw42-f939-fhvm includes detailed exploit information and mitigation guidance. CISA has confirmed active exploitation in the wild by including this vulnerability in its Known Exploited Vulnerabilities catalog with a remediation deadline of September 14, 2023. The EPSS score of 94.4% (99.99th percentile) indicates near-certain exploitation activity, consistent with the public availability of working exploit tools and the critical nature of the vulnerability.
Remediation
- Upgrade Openfire immediately to version 4.7.5 or 4.6.8 (or 4.8.0 when available) to patch the CVE-2023-32315 path traversal vulnerability, as directed by CISA's KEV required action and the vendor's security advisory.
- Restrict network access to the Openfire admin console by binding it to a management network interface or placing it behind a VPN, ensuring it is not accessible from the public internet or untrusted networks.
- Review the GitHub advisory GHSA-gw42-f939-fhvm for interim mitigation advice if an immediate upgrade is not possible, including specific configuration changes to disable the setup environment path that enables the traversal attack.
- Audit Openfire server logs and configuration for signs of unauthorized administrative access, including logins from unexpected IP addresses, changes to server settings, new administrative accounts, or plugin installations that could indicate post-exploitation activity.
- Implement web application firewall (WAF) rules to detect and block path traversal patterns in requests to the Openfire admin console, particularly requests containing directory traversal sequences targeting the setup environment endpoints.
Technical Details
CVE-2023-32315 is a path traversal vulnerability (CWE-22) in Openfire's web-based administrative console that exploits the setup environment to bypass access controls. The attack works because Openfire's setup environment, which is intended for initial server configuration, remains accessible even after the server has been fully configured, and it does not enforce the same authentication requirements as the main admin console. By crafting requests that traverse through the setup environment's URL space, an unauthenticated attacker can reach restricted administrative pages that should require authentication. The CVSS vector (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L) confirms a network-accessible attack requiring no privileges, authentication, or user interaction, with high confidentiality impact from accessing protected administrative content. The vulnerability has affected every Openfire release since version 3.10.0 (April 2015), meaning any unpatched instance deployed in the last eight-plus years is potentially vulnerable to this path traversal exploit.
Frequently Asked Questions
Is CVE-2023-32315 being actively exploited?
Yes, CVE-2023-32315 is actively exploited in the wild. CISA has added it to the Known Exploited Vulnerabilities catalog with a remediation deadline of September 14, 2023. Public exploit code including authentication bypass and remote code execution chains is widely available. The EPSS score of 94.4% (99.99th percentile) confirms near-certain exploitation activity.
What products are affected by CVE-2023-32315?
CVE-2023-32315 affects Ignite Realtime Openfire, an open-source XMPP server. All versions from 3.10.0 (released April 2015) through unpatched releases are vulnerable. The vulnerability has been fixed in Openfire versions 4.7.5, 4.6.8, and the upcoming 4.8.0 release.
How do I fix CVE-2023-32315?
Upgrade Openfire to version 4.7.5 or 4.6.8 immediately. If an upgrade is not immediately possible, consult the GitHub advisory GHSA-gw42-f939-fhvm for interim mitigation steps, and restrict network access to the admin console to prevent external exploitation.
How severe is CVE-2023-32315?
CVE-2023-32315 is rated High severity with a CVSS v3.1 score of 8.6 out of 10. It allows unauthenticated path traversal to access restricted administrative pages over the network with no user interaction required. The EPSS score in the 99.99th percentile makes it one of the most likely vulnerabilities to be exploited across all tracked CVEs.
Need Help With Vulnerability Management?
Our security experts can help you prioritize and remediate vulnerabilities effectively.